Chapter 28, Problem 28.23P

Draw the products formed when D-arabinose is treated with each reagent: (a) ${\text{Ag}}_{\text{2}}\text{O}$, ${\text{NH}}_{\text{4}}\text{OH}$; (b) ${\text{Br}}_{\text{2}}$, ${\text{H}}_{\text{2}}\text{O}$, (c) ${\text{HNO}}_{\text{3}}$, ${\text{H}}_{\text{2}}\text{O}$.